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Spring Framework example source code file (AbstractSqlParameterSource.java)

This example Spring Framework source code file (AbstractSqlParameterSource.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Spring Framework tags/keywords

abstractsqlparametersource, hashmap, integer, integer, map, map, parameter, parameter, sqlparametersource, string, string, type_unknown, util

The Spring Framework AbstractSqlParameterSource.java source code

/*
 * Copyright 2002-2008 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.springframework.jdbc.core.namedparam;

import java.util.HashMap;
import java.util.Map;

import org.springframework.util.Assert;

/**
 * Abstract base class for {@link SqlParameterSource} implementations.
 * Provides registration of SQL types per parameter.
 *
 * @author Juergen Hoeller
 * @since 2.0
 */
public abstract class AbstractSqlParameterSource implements SqlParameterSource {

	private final Map sqlTypes = new HashMap();

	private final Map typeNames = new HashMap();


	/**
	 * Register a SQL type for the given parameter.
	 * @param paramName the name of the parameter
	 * @param sqlType the SQL type of the parameter
	 */
	public void registerSqlType(String paramName, int sqlType) {
		Assert.notNull(paramName, "Parameter name must not be null");
		this.sqlTypes.put(paramName, new Integer(sqlType));
	}

	/**
	 * Register a SQL type for the given parameter.
	 * @param paramName the name of the parameter
	 * @param typeName the type name of the parameter
	 */
	public void registerTypeName(String paramName, String typeName) {
		Assert.notNull(paramName, "Parameter name must not be null");
		this.typeNames.put(paramName, typeName);
	}

	/**
	 * Return the SQL type for the given parameter, if registered.
	 * @param paramName the name of the parameter
	 * @return the SQL type of the parameter,
	 * or <code>TYPE_UNKNOWN if not registered
	 */
	public int getSqlType(String paramName) {
		Assert.notNull(paramName, "Parameter name must not be null");
		Integer sqlType = (Integer) this.sqlTypes.get(paramName);
		if (sqlType != null) {
			return sqlType.intValue();
		}
		return TYPE_UNKNOWN;
	}

	/**
	 * Return the type name for the given parameter, if registered.
	 * @param paramName the name of the parameter
	 * @return the type name of the parameter,
	 * or <code>null if not registered
	 */
	public String getTypeName(String paramName) {
		Assert.notNull(paramName, "Parameter name must not be null");
		return (String) this.typeNames.get(paramName);
	}

}

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